JPS58182948U - toner supply device - Google Patents
toner supply deviceInfo
- Publication number
- JPS58182948U JPS58182948U JP8006382U JP8006382U JPS58182948U JP S58182948 U JPS58182948 U JP S58182948U JP 8006382 U JP8006382 U JP 8006382U JP 8006382 U JP8006382 U JP 8006382U JP S58182948 U JPS58182948 U JP S58182948U
- Authority
- JP
- Japan
- Prior art keywords
- toner
- supply device
- screw
- toner supply
- protrusion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Screw Conveyors (AREA)
- Dry Development In Electrophotography (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は、この考案が適用されるカラー複写機の一例を
示す概略図、第２図は、この考案が適用される白黒複写
機の一例を示す概略図、第３図は、この考案の一実施例
を示す概略断面図、第４図は、第３図のＩＶ−ＩＶ線に
沿って切断した断面図、第５図から第７図は、この考案
の別の実施例における要部のみを示す断面図で元る。
３、 ４． ５． ５４・・・・・・現像装置、４２．
４４゜４６．７０・・・・・・トナー供給装置、１０
０・・・・・・現像容器、１０１，１０２・・曲現像容
器側板、１０３・・・・・・スクリューカバー、１０６
・・川・トナー容器、１０８・・・・・・トナー搬送ス
クリュー、１１０・・・・・・トナー放出開口、１１１
・・曲突起、１１２・・曲切り欠き。Fig. 1 is a schematic diagram showing an example of a color copying machine to which this invention is applied, Fig. 2 is a schematic diagram showing an example of a black and white copying machine to which this invention is applied, and Fig. 3 is a schematic diagram showing an example of a black and white copying machine to which this invention is applied. A schematic sectional view showing one embodiment; FIG. 4 is a sectional view taken along line IV-IV in FIG. 3; FIGS. 5 to 7 are only main parts of another embodiment of the invention. The original is shown in a cross-sectional view. 3, 4. 5. 54...Developing device, 42.
44°46.70... Toner supply device, 10
0...Developer container, 101, 102...Curved developer container side plate, 103...Screw cover, 106
... River/toner container, 108 ... Toner conveyance screw, 110 ... Toner discharge opening, 111
...Curved protrusion, 112...Curved notch.
Claims (1)
を前記現像容器内に送り込むために、前記トナー容器内
の下部から前記現像容器内に延、びて配置された回転可
能なトナー搬送スクリューと、前記トナー搬送スクリュ
ーの少なくとも下半分を覆うスクリューカバーとを備え
たトナー供給装置において、 前記スクリューカバーに前記トナー搬送スクリューによ
るトナーの搬送方向に沿って設けられた複数のトナー放
出開口と、 前記スクリューカバーの内側に前記トナー放出開口に関
連して設けられた複数の突起とを有するトナー供給装置
。 ２ 前記トナー放出開口が、前記トナー搬送方向の下流
側に向けて次第に大きく形成されている実用新案登録請
求の範囲第１項記載のトナー供給装置。 ３ 前記突起が、前記トナー放出開口のトナー搬送方向
下流側の縁に設けられている実用新案登録請求の範囲第
１項または第２項記載のトナー供給装置。゛ ４ 前記突起が、前記スクリューカバーの内壁面から前
記トナー搬送方向上流側に９０°以内に設けられている
実用新案登録請求の範囲第１項または第２項記載のトナ
ー供給装置。 ５ 前記突起の前記スクリューカバー内壁面からの高さ
が、前記トナー搬送方向下流側に向けて次第に高くなっ
ている実用新案登録請求の範囲第１項または第２項記載
のトナー供給装置。 □６ 前記突起が当る部分の前記
トナー搬送スクリューの羽根の部分に切り欠きが設けら
れている実用新案登録請求の範囲域５項記載のトナー供
給装置。[Claims for Utility Model Registration] 1. A toner container disposed extending from a lower part of the toner container into the developer container in order to feed toner into the developer container from a toner container disposed outside the developer container. In a toner supply device comprising a rotatable toner conveyance screw and a screw cover that covers at least a lower half of the toner conveyance screw, the screw cover includes a plurality of screws provided along the toner conveyance direction by the toner conveyance screw. A toner supply device comprising: a toner discharge opening; and a plurality of protrusions associated with the toner discharge opening provided inside the screw cover. 2. The toner supply device according to claim 1, wherein the toner discharge opening is formed to gradually become larger toward the downstream side in the toner transport direction. 3. The toner supply device according to claim 1 or 2, wherein the protrusion is provided at an edge of the toner discharge opening on the downstream side in the toner conveyance direction. 4. The toner supply device according to claim 1 or 2, wherein the protrusion is provided within 90 degrees upstream in the toner transport direction from the inner wall surface of the screw cover. 5. The toner supply device according to claim 1 or 2, wherein the height of the protrusion from the inner wall surface of the screw cover gradually increases toward the downstream side in the toner transport direction. □6 The toner supply device according to claim 5, wherein a notch is provided in a portion of the blade of the toner conveying screw that is in contact with the protrusion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8006382U JPS58182948U (en) | 1982-05-31 | 1982-05-31 | toner supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8006382U JPS58182948U (en) | 1982-05-31 | 1982-05-31 | toner supply device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58182948U true JPS58182948U (en) | 1983-12-06 |
Family
ID=30089222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8006382U Pending JPS58182948U (en) | 1982-05-31 | 1982-05-31 | toner supply device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58182948U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016176997A (en) * | 2015-03-18 | 2016-10-06 | 富士ゼロックス株式会社 | Development device and image formation apparatus |
-
1982
- 1982-05-31 JP JP8006382U patent/JPS58182948U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016176997A (en) * | 2015-03-18 | 2016-10-06 | 富士ゼロックス株式会社 | Development device and image formation apparatus |
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